echoic
/əˈkoʊɪk/Definitions
1. adjective
relating to or resembling an echo
“The echoic quality of the cave’s acoustics made it an ideal location for the concert”
2. noun
a word or utterance that is imitated or repeated exactly, such as a child’s repetition of a word they heard
“The child’s echoic response to the teacher’s question was impressive”